1. Title your page: Flow of Energy Notes

2. a sequence of organisms that eat one another in an ecosystem
food chain
a sequence of organisms that eat one another in an ecosystem
Highlight these 2 words
Draw this food chain.

3. READ ONLY

4. You DO need to write all the information on the slide
You do NOT need to draw this food chain. Only observe where the yellow outline is on each slide.
You DO need to write all the information on the slide
To make
Producers: MAKE their own energy (glucose) using photosynthesis- obtains its energy from the sun
AKA: autotroph
self
energy
(Obtains energy from itself)

5. (Obtains energy from different things than itself)
To eat
Consumers: “eaters” get their energy from consuming (eating) other organisms.
AKA: heterotroph
Three types of consumers:
Herbivore: plant-eater
Carnivore: meat-eater
Omnivore: plant- and meat-eater
different
energy
(Obtains energy from different things than itself)
all

6. To eat
First (1st)
Primary Consumers: first “eater” in the food chain- obtains its energy from the producer
These would be Herbivores = plant-eaters

7. To eat
Second (2nd)
Secondary Consumers: second “eater” in the food chain- obtains its energy from the primary consumer
These would be carnivores = meat-eaters

8. To eat
Third (3rd)
Tertiary Consumers: third “eater” in the food chain- obtains its energy from the secondary consumer
These would also be carnivores = meat-eaters

9. DRAW this food chain then use the word bank to LABEL each part.
Decomposer
Producer
Secondary consumer
Tertiary Consumer
Primary consumer

10. Animal Interactions
This box is READ ONLY:
Predators are the consumers that capture and eat other consumers
Prey is the organism that is captured by the predator
The hawk is the predator and the snake is it’s prey
The snake is the predator and the frog is it’s prey
The frog is the predator and the grasshopper is it’s prey

11. Food web ALL the feeding relationships in an ecosystem
Most organisms do not eat the same thing every day, so they are part of more than one food chain.
Consists of many overlapping food chains in an ecosystem.
Highlight these 2 words
Draw this food web.
(or write the names of the organisms)

12. READ ONLY

13. READ ONLY
In this food web, can an organism be BOTH a primary AND a secondary consumer?

14. READ ONLY
Looking at the food chain with the red arrow, the mouse is the primary consumer.
However, looking at the food chain with the orange arrows, the mouse is the secondary consumer.
So, depending on which food chain you are looking at, the label of which consumer it is (primary, secondary, or tertiary) can change.

15. In both a food chain and a food web, the arrows show the flow of energy NOT who eats who!
Draw this food chain
The sun GIVES ENERGY to the grass. The grass GIVES ENERGY TO the mouse. The mouse GIVES energy to the hawk.

16. READ ONLY

17. Using this food web, list (in your notes) three separate food chains
Using this food web, list (in your notes) three separate food chains. You need list every organism in the food chain (until the arrows stop).
Example:
sunflower  beetle  ladybug  bird  owl

18. Predict: If the amount of frogs decreased…
Answer the following in complete sentences that restate the question.
Predict: If the amount of frogs decreased…
What would happen to the amount of snakes?
What would happen to the amount of caterpillars?

19. energy pyramid
Shows the amount of energy that moves from one feeding level to another in a food web
Highlight these 2 words
hawk
Facts:
The greatest amount (100%) of energy is available at the producer level
The least amount of energy available to going to be at the top of the energy pyramid.
rat
grasshopper
grass

20. 10% Rule: Amount of energy at each level
When an organism eats, it obtains energy. It then uses most of energy for itself in forms of mechanical energy (energy of motion) in life processes like growth and movement.
At each trophic (energy) level, 90% of the energy is USED as mechanical energy and some of which is lost as heat (when bonds are broken heat is released), and only 10% of the energy is PASSED to the next level.
0.01%
0.1%
Draw and label this energy pyramid exactly as shown.
Consumers 1%
10%
Producers
100%

21. Assignment ON LEVEL: PRE-AP:
Create a double bubble comparing and contrasting food chains and food webs.
PRE-AP:
Create a triple bubble comparing and contrasting food chains, food webs, and energy pyramids.
Example shown on the next slide.
It must include AT LEAST 3 similarities total and 4 differences each side

22. This is a sample of what your triple bubble might look like.
Pre-AP Only:
This is a sample of what your triple bubble might look like.